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Incremental Cost Assessments & Duct Sealing Optimization Project

Incremental Cost Assessments & Duct Sealing Optimization Project. Bobbi Wilhelm. March 25, 2008. Three Studies with Regional Interest. Market Cost Assessment of Residential Appliances, HVAC Systems, and Water Heating Equipment

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Incremental Cost Assessments & Duct Sealing Optimization Project

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  1. Incremental Cost Assessments&Duct Sealing Optimization Project Bobbi Wilhelm March 25, 2008

  2. Three Studies with Regional Interest • Market Cost Assessment of Residential Appliances, HVAC Systems, and Water Heating Equipment • Cost Assessment of Commercial New Construction and Retrofit Efficiency Measures • Residential Duct Sealing Program Optimization Study

  3. Incremental Cost Assessment • More reliable measure cost data for both high efficiency and standard equipment • Better estimate of Incremental Costs • Assist with cost-effectiveness calculations • Help with measure funding calculations

  4. Residential Cost Assessment Progress • RFP sent in January; Proposal gathered March 5th • Best practices for obtaining measure costs and recommended approach • Interview plans and interview guides • Conduct a market cost assessment of specific residential measures • Conduct an assessment of contractor stock of efficient equipment Sample

  5. Proposal: Residential Cost Assessment Best Practices • Research instrument development and implementation for each source of cost data. • Protocols for research activities, including surveys and the identification and use of secondary sources. • Data quality and management including

  6. Proposal: Residential Cost Assessment • Incremental Cost & Stock Assessment • Sample: • 196 Contractors • 12 Distributors • 207 Retail Chains • Cost Assessment Approach • Simple Average by Measure • Weighted Average by Measure • Hedonic Price Model by Measure

  7. Commercial Cost Assessment • Request for Proposals • Development of SOW is underway • Identified a wish list of measures to be assessed • Looking for partnering utilities to review SOW and assist with funding • Finalize Scope by April 15

  8. Duct Optimization Project • Maximize energy savings and minimize costs • Compare Thee Sealing procedures • Duct Blaster test; sealing to PTCS protocol • Duct Blaster test; sealing to 50% leak reduction • Delta Q test; seal only high pressure leaks • Obtain lost opportunity, cost, and savings • Seal to current PTCS protocol (Duct Blaster) • Current PSE Program – 50% leak reduction (Duct Blaster) • Seal only high pressure leaks (Delta Q)

  9. Duct Sealing Optimization Project • Scope of Work Complete • Field Work Begins this month • Two Groups of homes; 20 homes each • Group One: • Tested with Duct Blaster and Delta Q • Sealed to 50% leak reduction (Duct Blaster) • Second Test • Sealed to PTCS • Final Test • Group Two: • Tested with Duct Blaster and Delta Q • High Pressure leaks sealed (Delta Q) • Second Test • Sealed to PTCS • Final Test

  10. Regional Partnerships Incremental Cost Assessments: Bobbi Wilhelm, Puget Sound Energy 425-462-3432 bobette.wilhelm@pse.com Duct Sealing Optimization Study: Bruce Manclark, Delta T 541-517-5779 brucemanclark@gorge.net

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